CVE-2020-28024 log

Source	CVE Red Hat MITRE NVD Debian Ubuntu SUSE Alpine Mageia CVE Details CIRCL Bugs Arch Linux Red Hat Gentoo SUSE GitHub Lists oss-security full-disclosure bugtraq Misc GitHub code web search
Severity	High
Remote	Yes
Type	Arbitrary command execution
Description	Exim 4 before 4.94.2 allows buffer underwrite that may result in unauthenticated remote attackers executing arbitrary commands, because smtp_ungetc was only intended to push back characters, but can actually push back non-character error codes such as EOF.

Group	Package	Affected	Fixed	Severity	Status	Ticket
AVG-1911	exim	4.94-3	4.94.2-1	High	Fixed

References
https://www.openwall.com/lists/oss-security/2021/05/04/6 https://www.qualys.com/2021/05/04/21nails/21nails.txt https://git.exim.org/exim.git/commitdiff/638f7ca75694bcbb70cfbe7db2ef52af4aca5c83